$admin = 'MyNick';
$channel = '#MyRoom';
$servername = 'irc.anywhere.tld';

# The init function is the entry point of the script.
# It is called when the botscript has been parsed 
# without exception into a runnable block.
# Here you set up the bot as you would do in the 
# constructor of a PircBot. It should contain a 
# call to connectServer(server [, port[, password]])
# or a call to a function which contains a call to 
# that function. 

bot init {
  setName('HelloBot');
  setAutoNickChange(1);
  connectServer($servername);
}

bot onConnect {
  joinChannel($channel);
}

bot onJoin {
  local('$nick');
  $nick = getNick();
  if ( "$2" ne "$nick" ) {
    sendMessage($1, 'Hello ' . $2 );
  }
}

bot onUserList {
  local('@users $user');
  @users = $2;
  foreach $user (@users) {
    if ( userGetNick( $user ) ne getNick() ) {
      sendMessage($1, 'Hello ' . userGetNick( $user ) );
    }
  }
}

bot onPrivateMessage {
  if ( ($1 eq $admin) && ($4 eq '!shutdown') ) {
    partChannel($channel, 'bye @all' );
    [System exit: 0];
  }
}